Home / 108,239.82-149,274.20-67,957.32

Finding the Fourth Proportional to 108,239.82, 149,274.20 and 67,957.32

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Solution

The fourth proportional to 108,239.82, 149,274.20 and 67,957.32 is: 93,720.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,239.82 : 149,274.20 = 67,957.32 : x
  2. Step 2: Convert to fraction form
    108,239.82/149,274.20 = 67,957.32/x
  3. Step 3: Cross multiply
    108,239.82x = 149,274.20 × 67,957.32
  4. Step 4: Simplify right side
    108,239.82x = 10,144,274,577.14
  5. Step 5: Solve for x
    x = 10,144,274,577.14/108,239.82
  6. Step 6: Final answer
    x = 93,720.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.